package io.github.pigmesh.ai.deepseek.core.moderation;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.PropertyNamingStrategies;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonNaming;
import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;

import java.util.List;
import java.util.Objects;

import static java.util.Collections.singletonList;
import static java.util.Collections.unmodifiableList;

@JsonDeserialize(builder = ModerationRequest.Builder.class)
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public class ModerationRequest {

	@JsonProperty
	private final String model;

	@JsonProperty
	private final List<String> input;

	private ModerationRequest(Builder builder) {
		this.model = builder.model;
		this.input = builder.input;
	}

	public String model() {
		return model;
	}

	public List<String> input() {
		return input;
	}

	@Override
	public boolean equals(Object another) {
		if (this == another)
			return true;
		return another instanceof ModerationRequest && equalTo((ModerationRequest) another);
	}

	private boolean equalTo(ModerationRequest another) {
		return Objects.equals(model, another.model) && Objects.equals(input, another.input);
	}

	@Override
	public int hashCode() {
		int h = 5381;
		h += (h << 5) + Objects.hashCode(model);
		h += (h << 5) + Objects.hashCode(input);
		return h;
	}

	@Override
	public String toString() {
		return "ModerationRequest{" + "model=" + model + ", input=" + input + "}";
	}

	public static Builder builder() {
		return new Builder();
	}

	@JsonPOJOBuilder(withPrefix = "")
	@JsonIgnoreProperties(ignoreUnknown = true)
	@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
	public static final class Builder {

		private String model;

		private List<String> input;

		private Builder() {
		}

		public Builder model(ModerationModel model) {
			return model(model.toString());
		}

		public Builder model(String model) {
			this.model = model;
			return this;
		}

		public Builder input(List<String> input) {
			if (input != null) {
				this.input = unmodifiableList(input);
			}
			return this;
		}

		public Builder input(String input) {
			return input(singletonList(input));
		}

		public ModerationRequest build() {
			return new ModerationRequest(this);
		}

	}

}
